Christopher Dorner joined the LAPD in 2002 and was fired in 2008. Police say his shooting spree began Feb. 3 with the deaths of a young couple in a parking garage in Irvine

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Christopher Dorner, suspected of targeting police officers and their families in a murderous revenge plot, posed here in 2006 with former Police Chief Bill Bratton for a newsletter story on the department's support of officers who were serving as reservists in the military.

2002: Christopher Dorner joins the Los Angeles Police Department, and is assigned to the Harbor Area. He also serves in the military, as a reservist in the Navy.

2006: In September, Dorner is highlighted in an internal LAPD newsletter as an example of how the police agency is supporting its personnel who serve in the military. He is photographed with then-chief William Bratton, and is in the following month’s newsletter as well.

In November, he is deployed to the Persian Gulf for six months, where he serves in Bahrain and provides security for offshore oil platform. He receives several honors, including the Iraq Campaign Medal, the Global War on Terrorism Service Medal, a Rifle Marksman Ribbon and a Pistol Expert Medal.

2008: Dorner’s employment with the LAPD is terminated. He is accused of falsely accusing a fellow officer of kicking a suspect.

2011: Dorner’s appeal of the dismissal of his lawsuit challenging his firing is rejected by the California Court of Appeal.

Jan. 28, 2013: Dorner is at an Orange County hotel, according to surveillance footage. It is unclear if he stayed there. The Irvine Police Department later releases surveillance images, but does specify which hotel the images were taken from.

Feb. 1, 2013: Dorner separates from the Navy with a rank of lieutenant. Surveillance video shows him buying several scuba tanks from a Sport Chalet in Torrance, TMZ later reports.

Feb. 3, 2013: Monica Quan and Keith Lawrence and her fiancé are shot to death while sitting in their car on the top floor of the parking garage of their Irvine condo complex. Quan is later identified as the daughter of Randal Quan, the LAPD’s first Asian-American captain, whom Dorner's manifesto states was involved in the ex-officer's firing.

The LAPD releases a manifesto allegedly written by Dorner that names Asian-American, lesbian and Hispanic police officers as "high value targets."

10:26 P.M.: Dorner is believed to be connected to an attempted boat theft in the San Diego area. San Diego police are called to the Southwestern Yacht Club located at 2702 Qualtrough Street for an apparent boatjacking.

Feb. 7, 2013

1:25 A.M.: In Corona, a man police believe is Dorner shoots at two LAPD officers who had been assigned to protect people targeted in the manifesto.

About two blocks away and 25 minutes after the women are shot, police officers open fire on another innocent driver traveling in a truck that vaguely resembled Dorner’s.

8:30 A.M.: A burned-out vehicle of the same model as Dorner's is found abandoned in the woods near Big Bear Mountain ski resort, which is shut down for the day. Area schools are placed on lockdown, and sheriff's deputies and SWAT teams conduct door-to-door searches into the night.

10:30 A.M.: A local San Diego man is mistaken for Dorner at a Holiday Inn Hotel parking lot. Police draw weapons, including a machine gun, before handcuffing the man briefly. After they confirm he is not Dorner, he is released.

Daytime: The U.S. Marshals Service files an affidavit with a criminal complaint (PDF) in federal court against Dorner for fleeing to avoid prosecution. The complaint states that a suspect matching Dorner's description was seen "attempting to flee to Mexico," and that there is cause to believe Dorner has traveled to Mexico.

12:30 P.M.: Former LAPD Capt. Randal Quan receives a call from a man identifying himself as Dorner, saying Quan "should have done a better job of protecting his daughter." The call is traced to Vancouver, Wash., but authorities do not believe that Dorner was in Washington state, the federal complaint states.

11:20 P.M.: A call is received at the San Diego County Sheriff's Department alleging Dorner is in a home on Wildcat Canyon Road and Ketuul Uunyaa Way. By 4 a.m. -- six hours later -- the call is determined to be a hoax.

Feb. 8, 2013:

Overnight: Law enforcement agents conduct an overnight search amid temperatures that drop into the 20s.

9 A.M.: San Bernardino County Sheriff John McMahon said conditions are "extremely dangerous" in the search area in and around Big Bear.

Noon: Law enforcement officers search the La Palma home belonging to Dorner's mother, removing large paper bags. Dorner's mother and sister were present and cooperative.

Feb. 9, 2013:

Saturday marks the four-year anniversary of Dorner's dismissal from the LAPD.

6 A.M.: The manhunt for Dorner resumes at daybreak in Big Bear. It is not clear whether a broken axle on his truck caused him to get stuck in the mountains, or whether the axle broke when authorities pulled the truck out.

8 A.M.: Former LAPD Chief William Bratton calls Dorner an "injustice collector" on the "Today Show." Bratton also says Dorner is a disgruntled individual who will not turn himself in.

3:03 P.M.: A moment of silence is observed at the Cal State Fullerton basketball game for Monica Quan, the former assistant basketball coach at CSUF and alleged victim of Dorner.

Feb. 10, 2013

7 A.M. Search for Dorner begins again at Big Bear, but authorities hint that the alleged shooter may no longer be in the area.

1 P.M. Authorities announce a $1 million reward for information leading to Dorner's capture. In Riverside, police identified their slain colleague as Michael Crain, 34, a father of two.

3:30 P.M. Police receive two calls saying someone who looked like Dorner was in a Lowe's home improvement store in the San Fernando Valley community of Northridge. Officers shut down the store and swarm the location, but it turns out to be one of several false alarms in the case.

Investigators ask Big Bear residents to review home surveillance video, starting at midnight Feb. 7 -- the day Dorner's burned-out pickup was found in the resort community.

12:22 P.M.: A vehicle is reported stolen from a home in Big Bear, near where Dorner's truck was found, by a man resembling Dorner. A massive police reponse ensues, with a pursuit leading to to a cabin in a collection of mountain rental homes in unincorporated Angelus Oaks. Gunfire is exchanged and two law enforcement officers are injured. A standoff begins.